短文填空。读Bill的家谱，完成下面短文，每空一词。
Look at the family tree of Tom. Tom has a big family. How many people (多少人)in his family? Oh, there are(1) __________people in his family. John and Anna are his parents . His (2)__________ is Peter. Who is that boy? His name is Bill. He is Tom’s (3)__________. Who’s she ? Oh, she is Mary, Tom’s (4)___________and Anna’s (5)_________. Tom loves his family.